Figure 7-7 Root port, designated port, alternate port, and backup port
Root
S1
AP2
S2
S3
Alternate port
Backup port
AP3
CP2 CP3
BP2
CP1 BP1
root port
designated port
Figure 7-8 Master port and regional edge port
AP1
Master
S1
S2
S3
S4
MST Region
DP1
DP2
Connect to the
CIST root
The port is blocked
MSTP Port Status
Table 7-3 lists the MSTP port status, which is the same as the RSTP port status.
Huawei AR530&AR550 Series Industrial Switch Routers
Configuration Guide - Ethernet Switching
7 MSTP Configuration
Issue 01 (2014-11-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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